These are replacement Polytetrafluorethylene (PTFE) locking stopcocks for the PYREX® 25 mL and 50 mL Economy Grade Burets (Nos. 2116-25 and 2116-50).
EcoChoice Claim
I-RECS cover 100% of manufacturing electricity consumption
EcoChoice Narrative
One or more facilities manufacturing this product is 100% covered by renewable energy through the purchase of unbundled energy attribute certificates (EACs).